Process for the preparation of an anti-tumor platinum (II)—complex
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United States of America Patent
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Oct 27, 2009
Grant Date -
Aug 28, 2008
app pub date -
Feb 5, 2004
filing date -
Feb 5, 2004
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Abstract
wherein X represents halogen atom such as Cl or Br or thiocyanate with (i) 1,2-diaminocyclohexane (ii) source of silver ion selected from a silver compound containing divalent anion in presence of a corresponding carboxylic acid of formula (II) or (III) or (IV) to get the compound of formula (I), purifying the said compound by treating with alkali metal iodide and isolating the title compound by any conventional methods. The preparation of the said compound involves, for the first time, the intermediate formation of cis-Diiodo-trans-l-1,2-diaminocyclohexane platinum(II) and biscarboylato-trans-l-1,2-diaminocyclohexane platinum(II).
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